<?php
/**
* REST API: WP_REST_Template_Revisions_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 6.4.0
*/
/**
* Core class used to access template revisions via the REST API.
*
* @since 6.4.0
*
* @see WP_REST_Controller
*/
class WP_REST_Template_Revisions_Controller extends WP_REST_Revisions_Controller {
/**
* Parent post type.
*
* @since 6.4.0
* @var string
*/
private $parent_post_type;
/**
* Parent controller.
*
* @since 6.4.0
* @var WP_REST_Controller
*/
private $parent_controller;
/**
* The base of the parent controller's route.
*
* @since 6.4.0
* @var string
*/
private $parent_base;
/**
* Constructor.
*
* @since 6.4.0
*
* @param string $parent_post_type Post type of the parent.
*/
public function __construct( $parent_post_type ) {
parent::__construct( $parent_post_type );
$this->parent_post_type = $parent_post_type;
$post_type_object = get_post_type_object( $parent_post_type );
$parent_controller = $post_type_object->get_rest_controller();
if ( ! $parent_controller ) {
$parent_controller = new WP_REST_Templates_Controller( $parent_post_type );
}
$this->parent_controller = $parent_controller;
$this->rest_base = 'revisions';
$this->parent_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
$this->namespace = ! empty( $post_type_object->rest_namespace ) ? $post_type_object->rest_namespace : 'wp/v2';
}
/**
* Registers the routes for revisions based on post types supporting revisions.
*
* @since 6.4.0
*
* @see register_rest_route()
*/
public function register_routes() {
register_rest_route(
$this->namespace,
sprintf(
'/%s/(?P<parent>%s%s)/%s',
$this->parent_base,
/*
* Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`.
* Excludes invalid directory name characters: `/:<>*?"|`.
*/
'([^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?)',
// Matches the template name.
'[\/\w%-]+',
$this->rest_base
),
array(
'args' => array(
'parent' => array(
'description' => __( 'The id of a template' ),
'type' => 'string',
'sanitize_callback' => array( $this->parent_controller, '_sanitize_template_id' ),
),
),
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_items' ),
'permission_callback' => array( $this, 'get_items_permissions_check' ),
'args' => $this->get_collection_params(),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
register_rest_route(
$this->namespace,
sprintf(
'/%s/(?P<parent>%s%s)/%s/%s',
$this->parent_base,
/*
* Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`.
* Excludes invalid directory name characters: `/:<>*?"|`.
*/
'([^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?)',
// Matches the template name.
'[\/\w%-]+',
$this->rest_base,
'(?P<id>[\d]+)'
),
array(
'args' => array(
'parent' => array(
'description' => __( 'The id of a template' ),
'type' => 'string',
'sanitize_callback' => array( $this->parent_controller, '_sanitize_template_id' ),
),
'id' => array(
'description' => __( 'Unique identifier for the revision.' ),
'type' => 'integer',
),
),
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => array( $this, 'get_item_permissions_check' ),
'args' => array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
),
),
array(
'methods' => WP_REST_Server::DELETABLE,
'callback' => array( $this, 'delete_item' ),
'permission_callback' => array( $this, 'delete_item_permissions_check' ),
'args' => array(
'force' => array(
'type' => 'boolean',
'default' => false,
'description' => __( 'Required to be true, as revisions do not support trashing.' ),
),
),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Gets the parent post, if the template ID is valid.
*
* @since 6.4.0
*
* @param string $parent_template_id Supplied ID.
* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
*/
protected function get_parent( $parent_template_id ) {
$template = get_block_template( $parent_template_id, $this->parent_post_type );
if ( ! $template ) {
return new WP_Error(
'rest_post_invalid_parent',
__( 'Invalid template parent ID.' ),
array( 'status' => WP_Http::NOT_FOUND )
);
}
$parent_post_id = isset( $template->wp_id ) ? (int) $template->wp_id : 0;
if ( $parent_post_id <= 0 ) {
return new WP_Error(
'rest_invalid_template',
__( 'Templates based on theme files can\'t have revisions.' ),
array( 'status' => WP_Http::BAD_REQUEST )
);
}
return get_post( $template->wp_id );
}
/**
* Prepares the item for the REST response.
*
* @since 6.4.0
*
* @param WP_Post $item Post revision object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
$template = _build_block_template_result_from_post( $item );
$response = $this->parent_controller->prepare_item_for_response( $template, $request );
// Don't prepare the response body for HEAD requests.
if ( $request->is_method( 'HEAD' ) ) {
return $response;
}
$fields = $this->get_fields_for_response( $request );
$data = $response->get_data();
if ( in_array( 'parent', $fields, true ) ) {
$data['parent'] = (int) $item->post_parent;
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = new WP_REST_Response( $data );
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
$links = $this->prepare_links( $template );
$response->add_links( $links );
}
return $response;
}
/**
* Checks if a given request has access to delete a revision.
*
* @since 6.4.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
*/
public function delete_item_permissions_check( $request ) {
$parent = $this->get_parent( $request['parent'] );
if ( is_wp_error( $parent ) ) {
return $parent;
}
if ( ! current_user_can( 'delete_post', $parent->ID ) ) {
return new WP_Error(
'rest_cannot_delete',
__( 'Sorry, you are not allowed to delete revisions of this post.' ),
array( 'status' => rest_authorization_required_code() )
);
}
$revision = $this->get_revision( $request['id'] );
if ( is_wp_error( $revision ) ) {
return $revision;
}
if ( ! current_user_can( 'edit_theme_options' ) ) {
return new WP_Error(
'rest_cannot_delete',
__( 'Sorry, you are not allowed to delete this revision.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Prepares links for the request.
*
* @since 6.4.0
*
* @param WP_Block_Template $template Template.
* @return array Links for the given post.
*/
protected function prepare_links( $template ) {
$links = array(
'self' => array(
'href' => rest_url( sprintf( '/%s/%s/%s/%s/%d', $this->namespace, $this->parent_base, $template->id, $this->rest_base, $template->wp_id ) ),
),
'parent' => array(
'href' => rest_url( sprintf( '/%s/%s/%s', $this->namespace, $this->parent_base, $template->id ) ),
),
);
return $links;
}
/**
* Retrieves the item's schema, conforming to JSON Schema.
*
* @since 6.4.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$schema = $this->parent_controller->get_item_schema();
$schema['properties']['parent'] = array(
'description' => __( 'The ID for the parent of the revision.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
);
$this->schema = $schema;
return $this->add_additional_fields_schema( $this->schema );
}
}
All system for education purposes only. For more tools: Telegram @jackleet